3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array('foo'=> array('hello' => 'bar'), 'baz'=>'boom', 'cow'=>'milk', 'php'=>'hypertext processor'); echo http_build_query($data) . "\n";
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
foo%5Bhello%5D=bar&baz=boom&cow=milk&php=hypertext+processor
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
foo[hello]=bar&baz=boom&cow=milk&php=hypertext+processor
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7
preferences:
222.9 ms | 401 KiB | 343 Q